結果

問題 No.1640 簡単な色塗り
ユーザー yakamotoyakamoto
提出日時 2021-08-06 23:15:17
言語 Kotlin
(1.6.10)
結果
WA  
(最新)
AC  
(最初)
実行時間 -
コード長 4,488 Byte
コンパイル時間 15,800 ms
使用メモリ 108,876 KB
最終ジャッジ日時 2022-04-30 10:38:59
合計ジャッジ時間 54,976 ms
ジャッジサーバーID
(参考情報)
judge14 / judge13
このコードへのチャレンジ(β)

テストケース

テストケース表示
入力 結果 実行時間
使用メモリ
testcase_00 AC 196 ms
44,456 KB
testcase_01 AC 201 ms
44,504 KB
testcase_02 AC 202 ms
45,836 KB
testcase_03 AC 208 ms
45,392 KB
testcase_04 AC 736 ms
90,908 KB
testcase_05 AC 649 ms
108,876 KB
testcase_06 AC 199 ms
45,840 KB
testcase_07 AC 204 ms
45,176 KB
testcase_08 AC 202 ms
45,236 KB
testcase_09 AC 193 ms
44,472 KB
testcase_10 AC 700 ms
74,268 KB
testcase_11 AC 614 ms
70,204 KB
testcase_12 AC 566 ms
67,276 KB
testcase_13 AC 941 ms
84,780 KB
testcase_14 AC 913 ms
83,432 KB
testcase_15 AC 510 ms
61,600 KB
testcase_16 AC 559 ms
65,576 KB
testcase_17 AC 829 ms
79,400 KB
testcase_18 AC 344 ms
54,828 KB
testcase_19 AC 636 ms
67,064 KB
testcase_20 AC 726 ms
74,352 KB
testcase_21 AC 649 ms
68,492 KB
testcase_22 AC 341 ms
53,584 KB
testcase_23 AC 734 ms
74,992 KB
testcase_24 AC 438 ms
54,632 KB
testcase_25 AC 655 ms
67,824 KB
testcase_26 AC 807 ms
75,240 KB
testcase_27 AC 478 ms
60,488 KB
testcase_28 AC 1,024 ms
80,540 KB
testcase_29 AC 732 ms
74,996 KB
testcase_30 AC 355 ms
53,996 KB
testcase_31 AC 760 ms
83,244 KB
testcase_32 AC 708 ms
81,076 KB
testcase_33 AC 513 ms
70,828 KB
testcase_34 AC 654 ms
75,308 KB
testcase_35 AC 498 ms
72,900 KB
testcase_36 AC 337 ms
53,444 KB
testcase_37 AC 395 ms
61,064 KB
testcase_38 AC 740 ms
79,612 KB
testcase_39 AC 465 ms
65,180 KB
testcase_40 AC 460 ms
66,100 KB
testcase_41 AC 611 ms
78,484 KB
testcase_42 AC 480 ms
66,168 KB
testcase_43 AC 490 ms
66,356 KB
testcase_44 AC 463 ms
66,224 KB
testcase_45 AC 411 ms
59,588 KB
testcase_46 AC 363 ms
54,520 KB
testcase_47 AC 335 ms
54,196 KB
testcase_48 AC 785 ms
81,420 KB
testcase_49 AC 327 ms
51,108 KB
07_evil_01.txt AC 1,485 ms
138,360 KB
07_evil_02.txt AC 1,864 ms
177,304 KB
testcase_52 WA -
testcase_53 AC 191 ms
44,744 KB
testcase_54 AC 922 ms
94,496 KB
testcase_55 AC 983 ms
93,988 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
Main.kt:176:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: LongArray) {
          ^
Main.kt:180:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: IntArray) {
          ^
Main.kt:184:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: BooleanArray) {
          ^
Main.kt:188:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}
          ^
Main.kt:190:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<LongArray>) {
          ^
Main.kt:197:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<IntArray>) {
          ^
Main.kt:204:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<BooleanArray>) {
          ^
Main.kt:221:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
          ^

ソースコード

diff #

import java.io.BufferedReader
import java.io.InputStream
import java.io.InputStreamReader
import java.lang.AssertionError
import java.util.*
import kotlin.math.abs
import kotlin.math.max
import kotlin.math.min

val MOD = 1_000_000_007
data class Edge(val i: Int, val v: Int, val u: Int)
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
  private val reader = BufferedReader(InputStreamReader(stream), 32768)

  fun solve() {
    val th = Thread(null, Runnable {
      solve2()
    }, "solve", 1 shl 26)
    th.start()
    th.join()
  }

  fun solve2() {
    val N = ni()
    val E = Array(N){Edge(it, ni() - 1, ni() - 1)}
    val g = Array(N){ mutableSetOf<Int>() }
    for (i in E) {
      g[i.v].add(i.i)
      g[i.u].add(i.i)
    }
    val que = ArrayDeque<Int>() // node id
    for (i in 0 until N) {
      if (g[i].size == 1) que += i
    }

    val ans = IntArray(N){-1}
    val used = BooleanArray(N)
    while (que.isNotEmpty()) {
      val v = que.pop()
      val id = g[v].first()
      ans[id] = v
      used[v] = true
      for (u in intArrayOf(E[id].v, E[id].u)) {
        g[u].remove(id)
        if (g[u].size == 1) que += u
      }
    }

    val unq = mutableSetOf<Int>()
    var unassigned = 0
    for (i in 0 until N) {
      if (ans[i] == -1) {
        unq += E[i].v
        unq += E[i].u
        unassigned++
      }
    }

    if (unq.size != unassigned) {
      out.println("No")
    }
    else {
      fun dfs(v: Int, parEdge: Int) {
        for (id in g[v]) {
          if (id == parEdge) continue
          if (ans[id] == -1) {
            ans[id] = v
            used[v] = true
            val u = (E[id].v xor E[id].u) xor v
            dfs(u, id)
          }
        }
      }

      for (v in 0 until N) {
        if (!used[v]) {
          dfs(v, -1)
        }
      }

      out.println("Yes")
      ans.map { it + 1 }.forEach { out.println(it) }
    }
  }













































  private val isDebug = try {
    // なんか本番でエラーでる
    System.getenv("MY_DEBUG") != null
  } catch (t: Throwable) {
    false
  }

  private var tokenizer: StringTokenizer? = null
  private fun next(): String {
    while (tokenizer == null || !tokenizer!!.hasMoreTokens()) {
      tokenizer = StringTokenizer(reader.readLine())
    }
    return tokenizer!!.nextToken()
  }

  private fun ni() = next().toInt()
  private fun nl() = next().toLong()
  private fun ns() = next()
  private fun na(n: Int, offset: Int = 0): IntArray {
    return IntArray(n) { ni() + offset }
  }
  private fun nal(n: Int, offset: Int = 0): LongArray {
    val res = LongArray(n)
    for (i in 0 until n) {
      res[i] = nl() + offset
    }
    return res
  }

  private fun na2(n: Int, offset: Int = 0): Array<IntArray> {
    val a  = Array(2){IntArray(n)}
    for (i in 0 until n) {
      for (e in a) {
        e[i] = ni() + offset
      }
    }
    return a
  }

  private inline fun debug(msg: () -> String) {
    if (isDebug) System.err.println(msg())
  }

  /**
   * コーナーケースでエラー出たりするので、debug(dp[1])のように添え字付きの場合はdebug{}をつかうこと
   */
  private inline fun debug(a: LongArray) {
    debug { a.joinToString(" ") }
  }

  private inline fun debug(a: IntArray) {
    debug { a.joinToString(" ") }
  }

  private inline fun debug(a: BooleanArray) {
    debug { toString(a) }
  }

  private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}

  private inline fun debugDim(A: Array<LongArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }
  private inline fun debugDim(A: Array<IntArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }
  private inline fun debugDim(A: Array<BooleanArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }

  /**
   * 勝手にimport消されるのを防ぎたい
   */
  private fun hoge() {
    min(1, 2)
    max(1, 2)
    abs(-10)
  }

  private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
  private inline fun assert(b: Boolean, f: () -> String) = run{if (!b) throw AssertionError(f())}

  companion object {
    // TestRunnerから呼びたいので単純なmainじゃだめ
    fun main() {
      val out = java.io.PrintWriter(System.out)
      Solver(System.`in`, out).solve()
      out.flush()
    }
  }
}

/**
 * judgeから呼ばれる
 */
fun main() = Solver.main()
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